Count Number of bytes to transfer if there is a data phase The bmRequestType field will determine the direction of the request, type of request and designated recipient. The bRequest field determines the request being made. The bmRequestType is normally parsed and execution is branched to a number of handlers such as a Standard Device request handler, a Standard Interface request handler, a Standard Endpoint request handler, a Class Device request handler etc. How you parse the setup packet is entirely up to your preference.
SS The 30 second summary Salt is: Salt accomplishes this through its ability to handle large loads of information, and not just dozens but hundreds and even thousands of individual servers quickly through a simple and manageable interface. Simplicity Providing versatility between massive scale deployments and smaller systems may seem daunting, but Salt is very simple to set up and maintain, regardless of the size of the project.
The architecture of Salt is designed to work with any number of servers, from a handful of local network systems to international deployments across different data centers.
While the default configuration will work with little to no modification, Salt can be fine tuned to meet specific needs. Parallel execution The core functions of Salt: Building on proven technology Salt takes advantage of a number of technologies and techniques.
The networking layer is built with the excellent ZeroMQ networking library, so the Salt daemon includes a viable and transparent AMQ broker. Salt uses public keys for authentication with the master daemon, then uses faster AES encryption for payload communication; authentication and encryption are integral to Salt.
Salt takes advantage of communication via msgpack, enabling fast and light network traffic. Python client interface In order to allow for simple expansion, Salt execution routines can be written as plain Python modules.
The data collected from Salt executions can be sent back to the master server, or to any arbitrary program. Salt can be called from a simple Python API, or from the command line, so that Salt can be used to execute one-off commands as well as operate as an integral part of a larger application.
Fast, flexible, scalable The result is a system that can execute commands at high speed on target server groups ranging from one to very many servers. Salt is very fast, easy to set up, amazingly malleable and provides a single remote execution architecture that can manage the diverse requirements of any number of servers.
The Salt infrastructure brings together the best of the remote execution world, amplifies its capabilities and expands its range, resulting in a system that is as versatile as it is practical, suitable for any network. Open Salt is developed under the Apache 2.
Please submit your expansions back to the Salt project so that we can all benefit together as Salt grows. Please feel free to sprinkle Salt around your systems and let the deliciousness come forth. Salt Community Join the Salt! There are many ways to participate in and communicate with the Salt community.
Salt has an active IRC channel and a mailing list. Mailing List Join the salt-users mailing list. It is the best place to ask questions about Salt and see whats going on with Salt development!
The Salt mailing list is hosted by Google Groups. It is open to new members. You can use the Freenode webchat client right from your browser. If you wish to discuss the development of Salt itself join us in salt-devel.
Follow Salt for constant updates on what is happening in Salt development: Installing Salt for development and contributing to the project.
Platform-specific Installation Instructions These guides go into detail how to install Salt on a given platform. If you want to use ZeroMQ instead, make sure to enter the associated number for the salt-zmq repository when prompted. Tracking develop To install the bleeding edge version of Salt may include bugs!
Installing the -git package as follows: The command to install salt using the yaourt tool is: You should be able to start your Salt Master now using the command seen here: However, current stable release codenamed "Jessie" contains old outdated Salt release.
It is recommended to use SaltStack repository for Debian as described below. Installation from official Debian and Raspbian repositories is described here. Installation from the SaltStack Repository SaltStack repository contains only packages suitable for i bit Intel-compatible CPUs and amd64 bit architectures.How to Write a Resume With this guide, you'll be able to write the perfect resume—without a resume template—in no time.
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